51720280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68053}}^1$

素因数の和:68083

約数の個数: 32

約数和(自身を含む): 122497200

約数和(自身を除く): 70776920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 68053, 136106, 272212, 340265, 544424, 680530, 1293007, 1361060, 2586014, 2722120, 5172028, 6465035, 10344056, 12930070, 25860140, 51720280]

約数ペア:

[(1, 51720280), (2, 25860140), (4, 12930070), (5, 10344056), (8, 6465035), (10, 5172028), (19, 2722120), (20, 2586014), (38, 1361060), (40, 1293007), (76, 680530), (95, 544424), (152, 340265), (190, 272212), (380, 136106), (760, 68053)]